---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-696 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.1G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 759 5072 4 2404 7182 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:5c:bb:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79064sec preferred_lft 79064sec inet6 fe80::f816:3eff:fe5c:bbca/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-696) 09/06/26 _x86_64_ (2 CPU) 00:04:41 LINUX RESTART (2 CPU) 00:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:00 1.45 0.03 1.41 0.01 1.31 17.05 213.28 00:30:01 1.54 0.00 1.51 0.03 0.00 19.05 638.79 00:40:01 25.76 3.00 20.47 2.28 229.32 3525.71 2268.72 00:50:01 1.58 0.01 1.55 0.02 0.57 89.49 1.64 01:00:01 1.51 0.00 1.49 0.02 0.00 25.33 0.71 01:10:01 1.48 0.00 1.48 0.00 0.00 127.34 0.00 01:20:01 1.27 0.00 1.23 0.04 0.00 19.90 0.28 01:30:01 1.50 0.00 1.45 0.05 0.00 20.16 0.91 01:40:01 1.30 0.00 1.27 0.03 0.00 20.32 400.89 01:50:01 1.36 0.01 1.33 0.03 0.20 61.04 1.96 02:00:01 1.56 0.00 1.52 0.05 0.00 25.05 4.32 Average: 3.67 0.28 3.16 0.23 21.03 359.08 321.09 00:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:00 6246584 7532412 286776 3.53 31056 1460924 712832 7.76 452592 1212804 124 00:30:01 6232260 7518664 300520 3.70 31296 1461248 714968 7.79 456708 1213356 160 00:40:01 5208656 7425600 340228 4.18 87912 2289596 749064 8.16 556516 2052496 7144 00:50:01 5096836 7323736 442180 5.44 88064 2299480 859620 9.36 639120 2062400 328 01:00:01 5093260 7322588 443240 5.45 88220 2301788 867816 9.45 638396 2064828 340 01:10:01 5052816 7316028 449628 5.53 88340 2335320 878748 9.57 648080 2098512 324 01:20:01 5060404 7325236 440412 5.42 88572 2336684 878748 9.57 648412 2100116 176 01:30:01 5060360 7326048 439576 5.41 88768 2337324 878748 9.57 648224 2100952 252 01:40:01 5054584 7321736 443860 5.46 88960 2338576 873860 9.52 644192 2102268 324 01:50:01 5028932 7310140 455232 5.60 89120 2352300 876044 9.54 645692 2116140 160 02:00:01 5037544 7320976 444288 5.46 89288 2354300 876356 9.55 646172 2118320 160 Average: 5288385 7367560 407813 5.01 78145 2169776 833346 9.08 602191 1931108 863 00:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:20:00 ens3 0.58 0.05 0.05 0.01 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.89 0.12 0.34 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 53.05 40.63 314.34 9.43 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 32.62 29.92 301.83 4.86 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 8.31 7.85 61.39 1.09 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 3.25 1.79 36.81 0.18 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 5.08 2.18 0.76 0.40 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 2.96 1.73 0.37 0.25 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 5.78 4.74 37.01 0.75 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 17.83 17.28 222.53 2.01 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 19.43 18.51 223.64 1.52 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.61 11.34 108.97 1.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-696) 09/06/26 _x86_64_ (2 CPU) 00:04:41 LINUX RESTART (2 CPU) 00:10:00 CPU %user %nice %system %iowait %steal %idle 00:20:00 all 0.27 0.00 0.11 0.01 0.01 99.60 00:20:00 0 0.33 0.00 0.09 0.00 0.01 99.58 00:20:00 1 0.22 0.00 0.14 0.02 0.01 99.62 00:30:01 all 0.32 0.00 0.20 0.01 0.01 99.45 00:30:01 0 0.27 0.00 0.20 0.01 0.01 99.52 00:30:01 1 0.38 0.00 0.21 0.02 0.01 99.38 00:40:01 all 11.81 0.00 1.99 0.60 0.02 85.59 00:40:01 0 7.88 0.00 1.68 0.44 0.02 89.99 00:40:01 1 15.74 0.00 2.31 0.76 0.02 81.17 00:50:01 all 1.44 0.00 0.41 0.01 0.03 98.11 00:50:01 0 0.84 0.00 0.29 0.01 0.03 98.83 00:50:01 1 2.05 0.00 0.53 0.01 0.03 97.38 01:00:01 all 1.08 0.00 0.35 0.01 0.02 98.54 01:00:01 0 1.45 0.00 0.43 0.01 0.03 98.08 01:00:01 1 0.71 0.00 0.28 0.01 0.01 98.99 01:10:01 all 1.36 0.00 0.33 0.02 0.02 98.26 01:10:01 0 1.53 0.00 0.38 0.03 0.03 98.03 01:10:01 1 1.21 0.00 0.28 0.01 0.02 98.48 01:20:01 all 0.67 0.00 0.18 0.01 0.03 99.11 01:20:01 0 0.75 0.00 0.22 0.00 0.04 98.99 01:20:01 1 0.59 0.00 0.14 0.02 0.02 99.23 01:30:01 all 0.62 0.00 0.28 0.01 0.02 99.07 01:30:01 0 0.68 0.00 0.32 0.01 0.03 98.96 01:30:01 1 0.57 0.00 0.23 0.02 0.01 99.18 01:40:01 all 0.86 0.00 0.22 0.01 0.01 98.90 01:40:01 0 0.95 0.00 0.25 0.00 0.02 98.78 01:40:01 1 0.76 0.00 0.19 0.02 0.01 99.02 01:50:01 all 2.17 0.00 0.43 0.02 0.02 97.37 01:50:01 0 2.33 0.00 0.45 0.00 0.02 97.20 01:50:01 1 2.00 0.00 0.41 0.03 0.03 97.53 02:00:01 all 0.96 0.00 0.42 0.01 0.02 98.59 02:00:01 0 0.63 0.00 0.29 0.01 0.01 99.06 02:00:01 1 1.30 0.00 0.55 0.02 0.02 98.11 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.97 0.00 0.45 0.07 0.02 97.50 Average: 0 1.61 0.00 0.42 0.05 0.02 97.91 Average: 1 2.33 0.00 0.48 0.09 0.02 97.09